Android欢迎界面

public class WelcomeActivity extends Activity {
private static final int GOTO_MAIN=0;
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch(msg.what){
case GOTO_MAIN:
startActivity(new Intent(WelcomeActivity.this,MainActivity.class));
finish();
break;
}
}
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
handler.sendEmptyMessageDelayed(GOTO_MAIN,1000);
}
}